package com.qf.dao;

import com.qf.pojo.Goods;
import com.qf.utils.DBUtil;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import java.sql.SQLException;
import java.util.List;

/**
 * @author 86199
 * @version V1.0
 * @Project jqueryDemo
 * @Package com.qf.dao
 * @Description:
 * @Date 2022/5/25 15:47
 */
public class GoodsDaoImpl implements GoodsDao {
    //创建dbutil工具类
    private QueryRunner queryRunner = new QueryRunner(DBUtil.getDateSource());

    @Override
    public void insertGoods(Goods goods) {
        String sql = "insert into tb_goods(name,pubdate,picture,price,star,intro,tid) value(?,?,?,?,?,?,?)";
        try {
            queryRunner.update(sql, goods.getName(), goods.getPubdate(), goods.getPicture(),
                    goods.getPrice(), goods.getStar(), goods.getIntro(), goods.getTid());
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    @Override
    public List<Goods> findGoodsAll() {
        String sql = "select a.*, b.name typeName from tb_goods a " +
                "LEFT join tb_goods_type b ON a.tid = b.id";
        try {
            List<Goods> list = queryRunner.query(sql, new BeanListHandler<Goods>(Goods.class));
            return list;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    public Goods findById(Integer id) {
        String sql = "select * from tb_goods where id=?";
        try {
            Goods goods = queryRunner.query(sql, new BeanHandler<Goods>(Goods.class), id);
            return goods;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

}
